run New-SPConfigurationDatabase alone (without script) and farm was created
successfully, but it fails on next command, which create other database (web application)

create farm by SPConfiguration Wizard - also created
successfully

So the network connectivity is OK and Setup Acount has correct permissions.
But I need to create farm by script - Could you help me please?
Thant you a lot!

My server config.:
Server: OS 2012 R2
SQL: 2008 R2 with SP2

SQL Server version is: 10.50.4000.0

This instance of SQL Server is clustered

Script messages:

Attempting to join farm on "moss2013t_Config"...

No existing farm found.

Creating config database "moss2013t_Config"...
New-SPConfigurationDatabase : Cannot connect to database master at SQL server at "SP2013T\SP2013T,1443". The database
might not exist, or the current user does not have permission to connect to it.
At C:\Install\SP\AutoSPInstaller\AutoSPInstallerFunctions.ps1:1647 char:13